My ex-husband had a son when I met him and we had a son together. After weeks divorced I had an anomaly on my tax returns and the tax office sent me the returns my ex husband had filed during our marriage. On them I discovered that he had another child, born when he was still married to his first wife, and 10 years older than our son. He has never breathed a word about the child (now an adult). Where we live, inheritance laws dictate that all children inherit equally, so his other children are in for a big surprise. What would you do with this information ? Would you tell your son?